Neither Certainly nor Kalendar offers a free trial.
The starting price of Certainly begins at $2165/month, while pricing details for Kalendar are unavailable.
Certainly offers several advantages, including Personalised customer support, Reduces wait times, Helps with purchase process, Helps with checkout process, Manages post-sales support and many more functionalities.
The cons of Certainly may include a Not open source, Limited language support, Limited compatibility, No stated confidentiality measures. and No specific privacy data handling
Kalendar offers several advantages, including Generates B2B leads, Tailored outreach, 200 million companies reach, Different types of agents, Customizable pitch and many more functionalities.
The cons of Kalendar may include a Expensive pricing model, No free trial mentioned, Possible email over-send, Limited agent categories. and Unclear pay-per-engagement details